Histone H4 combines with Histone H3 to form the H3/H4 tetramer. Histone H4 is also modified by various enzymes and these modifications have been shown to be important in gene regulation.
SGRGK GGKGL GKGGA KRHRK VLRDN IQGIT KPAIR RLARR GGVKR ISGLI YEETR GVLKV FLENV IRDAV TYTEH AKRKT VTAMD VVYAL KRQGR TLYGF GG (Genbank accession number: AAM83108)
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